Isaac wants to win a 5k running race, but because he spends several hours after school playing video games, he doesn't have time to train. what type of goal-setting challenge is isaac facing?

distractions

fear of failure

uncertainty

lack of control

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

just don't strip down in public lol